APA (7th ed.) Citation

Heisig, J. P., & Solga, H. (2017). How returns to skills depend on formal qualifications: Evidence from PIAAC. OECD Publishing.

Chicago Style (17th ed.) Citation

Heisig, Jan Paul, and Heike Solga. How Returns to Skills Depend on Formal Qualifications: Evidence from PIAAC. Paris: OECD Publishing, 2017.

MLA (9th ed.) Citation

Heisig, Jan Paul, and Heike Solga. How Returns to Skills Depend on Formal Qualifications: Evidence from PIAAC. OECD Publishing, 2017.